Professor of Economics, Harvard University

Eaton Professor of the Science of Government Comparative, Harvard University

Douglas and Ruth Grant Canada Research Chair in Competitiveness and Prosperity Professor of Business Economics, University of Toronto

Professor of Political Science, Emory University

Professor of Politics at New York University

Stanford University

Northwestern University

Professor of Government, Harvard University

Professor of Law, Harvard Law School

Professor of Political Science and Global Affairs, Yale University

University of California at Santa Barbara

Stanford University

University of California at Los Angeles

Professor of Economics, Georgetown University

Michigan State University and University of Bristol